5117| 11
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鑄件不通,有一個(gè)豎直腰形孔只成型一半,請(qǐng)問(wèn)是什么原因? |
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點(diǎn)評(píng)
幾個(gè)關(guān)系在里面, 一個(gè)沙子原材料,一個(gè)泥心的問(wèn)題,鐵水的問(wèn)題, 排氣的問(wèn)題。
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